Home / 25,065.74-34,587.42-14,990.50

Finding the Fourth Proportional to 25,065.74, 34,587.42 and 14,990.50

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Solution

The fourth proportional to 25,065.74, 34,587.42 and 14,990.50 is: 20,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065.74 : 34,587.42 = 14,990.50 : x
  2. Step 2: Convert to fraction form
    25,065.74/34,587.42 = 14,990.50/x
  3. Step 3: Cross multiply
    25,065.74x = 34,587.42 × 14,990.50
  4. Step 4: Simplify right side
    25,065.74x = 518,482,833.01
  5. Step 5: Solve for x
    x = 518,482,833.01/25,065.74
  6. Step 6: Final answer
    x = 20,684.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.